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Finding the Fourth Proportional to 142,416.60, 213,606.36 and 37,243.68

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Solution

The fourth proportional to 142,416.60, 213,606.36 and 37,243.68 is: 55,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,416.60 : 213,606.36 = 37,243.68 : x
  2. Step 2: Convert to fraction form
    142,416.60/213,606.36 = 37,243.68/x
  3. Step 3: Cross multiply
    142,416.60x = 213,606.36 × 37,243.68
  4. Step 4: Simplify right side
    142,416.60x = 7,955,486,917.80
  5. Step 5: Solve for x
    x = 7,955,486,917.80/142,416.60
  6. Step 6: Final answer
    x = 55,860.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.